Density-dependent interactions and structure of charged colloidal dispersions in the weak screening regime

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dc.creatorRojas-Ochoa, Luis F.
dc.creatorCastaneda-Priego, Ramon
dc.creatorLobaskin, Vladimir
dc.creatorStradner, Anna
dc.creatorScheffold, Frank
dc.creatorSchurtenberger, Peter
dc.date2007-06-20
dc.date2008-04-10
dc.date.accessioned2026-07-07T09:37:23Z
dc.date.available2026-07-07T09:37:23Z
dc.descriptionWe determine the structure of charge-stabilized colloidal suspensions at low ionic strength over an extended range of particle volume fractions using a combination of light and small angle neutron scattering experiments. The variation of the structure factor with concentration is analyzed within a one-component model of a colloidal suspension. We show that the observed structural behavior corresponds to a non-monotonic density dependence of the colloid effective charge and the mean interparticle interaction energy. Our findings are corroborated by similar observations from primitive model computer simulations of salt-free colloidal suspensions.
dc.descriptionRevised version, accepted to Phys. Rev. Lett
dc.identifierhttps://arxiv.org/abs/0706.2956
dc.identifierhttp://arxiv.org/abs/0706.2956
dc.identifierPhys. Rev. Lett. 100, 178304 (2008)
dc.identifierdoi:10.1103/PhysRevLett.100.178304
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/160443
dc.subjectSoft Condensed Matter
dc.titleDensity-dependent interactions and structure of charged colloidal dispersions in the weak screening regime
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